Maigret is a few years short of his retirement and has just refused promotion to the post of Head of the Police Judiciare, preferring the human contact he enjoys as Head of the Criminal Division. His wish is granted when Madam Nathalie Sabin-Levesque, an elegant but highly nervous lwoman, insists that he personally investigates the disappearance of her husband Gėrard, a highly successful and wealthy Parisian lawyer. In , the conclusive installment of the the Inspector Maigret mystery series, our famous detective finds himself contemplating his past and future as he delves into the Paris underworld one last time.